Move DescriptorUniqueCount into CGM.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@64481 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CodeGenModule.cpp b/lib/CodeGen/CodeGenModule.cpp
index 091158d..2dbee58 100644
--- a/lib/CodeGen/CodeGenModule.cpp
+++ b/lib/CodeGen/CodeGenModule.cpp
@@ -52,6 +52,7 @@
   DebugInfo = GenerateDebugInfo ? new CGDebugInfo(this) : 0;
 
   Block.GlobalUniqueCount = 0;
+  Block.DescriptorUniqueCount = 0;
 }
 
 CodeGenModule::~CodeGenModule() {